CN105880475B - Engine cylinder cover casting mould - Google Patents
Engine cylinder cover casting mould Download PDFInfo
- Publication number
- CN105880475B CN105880475B CN201610465006.5A CN201610465006A CN105880475B CN 105880475 B CN105880475 B CN 105880475B CN 201610465006 A CN201610465006 A CN 201610465006A CN 105880475 B CN105880475 B CN 105880475B
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- Prior art keywords
- cast gate
- content
- engine cylinder
- cylinder cover
- mould
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- 238000005266 casting Methods 0.000 title claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 13
- 230000008595 infiltration Effects 0.000 claims description 10
- 238000001764 infiltration Methods 0.000 claims description 10
- 238000000137 annealing Methods 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 238000005242 forging Methods 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 5
- 241001347978 Major minor Species 0.000 abstract description 3
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 7
- 229910052580 B4C Inorganic materials 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 235000019628 coolness Nutrition 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
- B22C9/061—Materials which make up the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C12/00—Solid state diffusion of at least one non-metal element other than silicon and at least one metal element or silicon into metallic material surfaces
- C23C12/02—Diffusion in one step
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to a kind of engine cylinder cover casting mould, belong to the technical field of Mould design and manufacturing.Engine cylinder cover casting mould of the present invention, including metal pattern die, with the inner chamber core being arranged in the metal pattern die die cavity, the metal pattern die is surrounded by front end mould, rear end mould, the first insert, the second insert and bed die, and the bed die is arranged on pedestal；Main cast gate is provided with the front end mould, is provided with secondary cast gate on the rear end mould, the bottom of the main cast gate and secondary cast gate is provided with horizontal cross running channel, and the height of the main cast gate is higher than the secondary cast gate.The engine cylinder cover casting mould of the present invention can be shunted effectively and flow control by setting major-minor cast gate, can make smooth in exhaust, the defects of so as to effectively reduce cylinder head casting shrinkage cavity, stomata and crackle.
Description
Technical field
The present invention relates to the technical field of Mould design and manufacturing, it is more particularly related to a kind of engine cylinder
Lid casting mould.
Background technology
Engine cylinder cover has been generally integrated menifold, water jacket and labyrinth structure etc., complex-shaped, compact-sized, is to influence hair
The vital part of motivation performance.Engine cylinder cover is generally obtained by casting technique, and its size precision prescribed is high, clear-cut complete
It is whole, cast-internal dense structure, pore-free, the casting flaw such as tighten.Conventionally, as complex-shaped, the hair of casting
Motivation cylinder cap is also easy to produce stomata and shrinkage defect, and full sand casting mould of the prior art can not be effectively vented, and be cast
Difficulty is larger, is also easy to produce stomata and shrinkage defect.
The content of the invention
In order to solve above-mentioned technical problem of the prior art, it is an object of the invention to provide a kind of casting of engine cylinder cover
Modeling has.
A kind of engine cylinder cover casting mould, including metal pattern die, and the inner chamber being arranged in the metal pattern die die cavity
Core, the metal pattern die are surrounded by front end mould, rear end mould, the first insert, the second insert and bed die, and the bed die is arranged on base
On seat；It is characterized in that：Main cast gate is provided with the front end mould, secondary cast gate, the main cast gate are provided with the rear end mould
The bottom of secondary cast gate is provided with horizontal cross running channel, the height of the main cast gate is higher than the secondary cast gate.
Wherein, be provided with track on the pedestal, first insert and the second insert set on the track and
It can be moved along the track.
Wherein, cooling body is additionally provided with the bed die, the cooling body includes circulating cooling medium passage.
Wherein, the metal pattern die is formed by the low-alloy steel forging that carbon content is 0.35~0.42wt%.It is further excellent
Selection of land, at least the front end mould main cast gate and rear end mould secondary cast gate surface on carry out infiltration processing.At the infiltration
Reason is carried out in vacuum drying oven, with aluminium and B4C composite powder is donor, with Cl2For activated gas, carried out at 1150~1180 DEG C
Infiltration is handled, and processing time is 5~15min.B in the composite powder4C content is 3~5wt%.
Engine cylinder cover casting mould of the present invention has the advantages that compared with prior art：
The engine cylinder cover casting mould of the present invention is by setting major-minor cast gate effectively to carry out shunting and flow velocity control
System, can make smooth in exhaust, the defects of so as to effectively reduce cylinder head casting shrinkage cavity, stomata and crackle.
Brief description of the drawings
Fig. 1 is the structural representation of engine cylinder cover casting mould of the present invention.
Embodiment
Engine cylinder cover casting mould of the present invention is further elaborated below with reference to specific embodiment, with
Those skilled in the art is helped to have more complete, accurate and deep understanding to inventive concept of the invention, technical scheme.
As shown in figure 1, engine cylinder cover casting mould of the present invention, including metal pattern die, and it is arranged on the gold
Inner chamber core 10 in genotype mould die cavity.The metal pattern die is by front end mould 1, rear end mould 2, the first insert 3, the and of the second insert 4
Bed die 5 is surrounded, and the bed die 5 is arranged on pedestal 6.Main cast gate 7 is provided with the front end mould 1, is set on the rear end mould 2
Have a secondary cast gate 8, the bottom of the main cast gate 7 and secondary cast gate 8 be provided with horizontal cross running channel (not shown in figure, the main cast gate
Height be higher than the secondary cast gate.Track 9 is provided with the pedestal, the insert 4 of the first insert 3 and second is arranged on described
It can move on track 9 and along the track 9.Cooling body is additionally provided with the bed die, the cooling body includes following
Ring coolant guiding channel (not shown).The engine cylinder cover casting mould of the present invention is by setting major-minor cast gate effective
Carry out shunt and flow control, smooth in exhaust can be made, so as to effectively reduce cylinder head casting shrinkage cavity, stomata and crackle etc.
Defect.
Embodiment 1
In the prior art, the metal pattern die generally use mould steel of the engine cylinder cover casting mould, such as
The casting of aluminum or aluminum alloy engine cylinder cover, 4Cr5MoSiV tool steel is generally selected, but wherein Cr and Mo contents are high, mould
Cost is high, and its wearability also has much room for improvement in addition.In the present embodiment, metal pattern die (front end mould, rear end mould, first edge
Block, the second insert and bed die) formed by the low-alloy steel forging that carbon content is 0.35~0.42wt%.Wherein, the low-alloy
By percentage to the quality, C content is 0.35~0.42wt% to steel, and Mn content is 0.85~1.20wt%, and Cr content is
1.20~1.80wt%, Mo content are 0.12~0.20wt%, and Cu content is 0.80~1.00wt%, and Ti content is
0.05~0.12wt%, Ni content≤0.20wt%, B content≤0.005wt%, Si content≤0.10wt%, P's contains
Amount≤0.03wt%, S content≤0.015wt%, surplus are Fe and inevitable impurity.The metal pattern die forging molding
Afterwards successively by annealing, quenching and temper；And it is less than 13.2 × 10 from 20~700 DEG C of linear expansion coefficient-6DEG C,
20~600 DEG C of elastic modulus E is more than 1.9 × 105MPa.Wherein, annealing temperature be 820~850 DEG C, soaking time be 2.0~
3.0 hours, less than 500 DEG C air coolings are cooled to≤0.5 DEG C/min cooling velocity after annealing, quenched in 980~1020 DEG C of air coolings
Fire, finally in 560~580 DEG C of tempers 2.5~3.0 hours.It has been to obtain well to obtain good combination property
Hardness number and impact flexibility, in the present embodiment, [Mo] >=6.0 of [Cr]+2.3 [Cu]+1.8 [Mn]+5.0, and 12 [Mo]+
5.2 [Cu]+2.1 [Cr]≤10.0, wherein [Cr], [Cu], [Mn] and [Mo] refers respectively to Cr, Cu, Mn and Mo quality
Percentage composition value, for example, the value of [Cr], [Cu], [Mn] and [Mo] be respectively 1.20~1.80,0.80~1.00,0.85~
1.20 and 0.12~0.20.Table 1 shows the element composition as the low-alloy steel for implementing sample and comparative sample.Wherein, annealing temperature
To spend for 830 DEG C, soaking time is 3.0 hours, and less than 500 DEG C air coolings are cooled to≤0.5 DEG C/min cooling velocity after annealing,
In 1020 DEG C of dry quenchings, finally in 580 DEG C of tempers 3.0 hours.
The surplus of table 1 is Fe and inevitable impurity, unit wt%
| No. | C | Mn | Si | Cr | Mo | Cu | Ti | Ni | B | P | S |
| Implement sample 1 | 0.35 | 1.18 | 0.08 | 1.35 | 0.15 | 0.92 | 0.12 | 0.18 | 0.002 | 0.022 | 0.015 |
| Implement sample 2 | 0.42 | 0.85 | 0.05 | 1.72 | 0.15 | 0.88 | 0.06 | 0.12 | 0.003 | 0.022 | 0.012 |
| Implement sample 3 | 0.38 | 1.0 | 0.06 | 1.65 | 0.12 | 0.92 | 0.08 | 0.15 | 0.002 | 0.025 | 0.010 |
| Implement sample 4 | 0.39 | 1.02 | 0.08 | 1.58 | 0.15 | 0.82 | 0.07 | 0.19 | 0.002 | 0.023 | 0.015 |
| Implement sample 5 | 0.37 | 0.98 | 0.05 | 1.50 | 0.15 | 0.90 | 0.09 | 0.15 | 0.002 | 0.018 | 0.012 |
| Comparative sample 1 | 0.39 | 1.02 | 0.98 | 1.58 | 0.15 | 0.82 | 0.07 | 0.20 | 0.002 | 0.021 | 0.013 |
| Comparative sample 2 | 0.38 | 1.02 | 0.18 | 1.55 | 0.15 | 0.85 | 0.07 | 0.18 | 0.002 | 0.019 | 0.012 |
| Comparative sample 3 | 0.35 | 0.42 | 0.08 | 1.38 | 0.15 | 0.92 | 0.10 | 0.18 | 0.002 | 0.018 | 0.010 |
| Comparative sample 4 | 0.38 | 1.15 | 0.08 | 1.52 | 0.18 | 0.91 | 0.08 | 0.15 | 0.002 | 0.021 | 0.010 |
| Comparative sample 5 | 0.39 | 0.87 | 0.08 | 1.55 | 0.15 | 0.88 | 0.09 | 0.18 | 0.002 | 0.016 | 0.010 |
Table 2, which gives, implements the mechanical property of sample and comparative sample at high temperature.
As shown in Table 2, there is its impact flexibility at high temperature of the metal pattern die of the present embodiment composition can reach
55Jcm-2More than, case hardness reaches more than 40HRC.
Embodiment 2
On the basis of embodiment 1, in order to further improve the surface property of metal pattern die, such as microhardness etc., go back
Metal pattern die is surface-treated, especially the surface of the rear end mould of the front end mould with main cast gate and secondary cast gate.In order to drop
Erosion of the molten metal such as aluminum alloy melt that is low and delaying melting to sprue gate, in the present embodiment, at least in the front end mould
Main cast gate and rear end mould secondary cast gate surface on carry out infiltration processing.The infiltration processing is carried out in vacuum drying oven, with aluminium
With boron carbide (B4C composite powder) is donor, with Cl2For activated gas, infiltration processing is carried out at 1150~1180 DEG C, is handled
Time is 5~15min.Wherein, the content of boron carbide described in the composite powder is 3~5wt%, and microhardness can reach
More than 850Hv, compared with the Bononizing pretreatment of routine, microhardness can improve 100~200Hv for infiltration processing, and then can be with
Mobility of the aluminum alloy melt on its surface is more preferable when further improving the wearability of metal surface, and pouring into a mould.
For the ordinary skill in the art, present invention specific implementation is not subject to the restrictions described above, as long as
The improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or it is not improved by the present invention's
Design and technical scheme directly apply to other occasions, within protection scope of the present invention.
Claims (5)
1. a kind of engine cylinder cover casting mould, including metal pattern die, and the inner chamber sand being arranged in the metal pattern die die cavity
Core, the metal pattern die are surrounded by front end mould, rear end mould, the first insert, the second insert and bed die, and the bed die is arranged on pedestal
On；It is characterized in that：Main cast gate is provided with the front end mould, is provided with secondary cast gate on the rear end mould, the main cast gate and
The bottom of secondary cast gate is provided with horizontal cross running channel, and the height of the main cast gate is higher than the secondary cast gate；The metal pattern die by
Low-alloy steel forging forms, and by percentage to the quality, C content is 0.35~0.42wt% to the low-alloy steel, Mn content
For 0.85~1.20wt%, Cr content is 1.20~1.80wt%, and Mo content is 0.12~0.20wt%, and Cu content is
0.80~1.00wt%, Ti content are 0.05~0.12wt%, Ni content≤0.20wt%, B content≤
0.005wt%, Si content≤0.10wt%, P content≤0.03wt%, S content≤0.015wt%, surplus be Fe and
Inevitable impurity, successively by annealing, quenching and temper after the metal pattern die forging molding；Wherein, annealing temperature
Spend for 820~850 DEG C, soaking time is 2.0~3.0 hours, and 500 are cooled to≤0.5 DEG C/min cooling velocity after annealing
Air cooling below DEG C, in 980~1020 DEG C of dry quenchings, finally in 560~580 DEG C of tempers 2.5~3.0 hours；Wherein,
[Mo] >=6.0 of [Cr]+2.3 [Cu]+1.8 [Mn]+5.0, and [Cr]≤10.0 of 12 [Mo]+5.2 [Cu]+2.1, [Cr],
[Cu], [Mn] and [Mo] refers respectively to Cr, Cu, Mn and Mo weight/mass percentage composition value.
2. engine cylinder cover casting mould according to claim 1, it is characterised in that：Track is provided with the pedestal,
First insert and the second insert set on the track and can moved along the track.
3. engine cylinder cover casting mould according to claim 1, it is characterised in that：Cooling is additionally provided with the bed die
Mechanism, the cooling body include circulating cooling medium passage.
4. engine cylinder cover casting mould according to claim 1, it is characterised in that：At least poured in the master of the front end mould
Infiltration processing is carried out on the surface of the secondary cast gate of mouth and rear end mould；The infiltration processing is carried out in vacuum drying oven, with aluminium and B4C's
Composite powder is donor, with Cl2For activated gas, infiltration processing is carried out at 1150~1180 DEG C, processing time is 5~15min.
5. engine cylinder cover casting mould according to claim 4, it is characterised in that：B in the composite powder4C content
For 3~5wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610465006.5A CN105880475B (en) | 2016-06-21 | 2016-06-21 | Engine cylinder cover casting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610465006.5A CN105880475B (en) | 2016-06-21 | 2016-06-21 | Engine cylinder cover casting mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105880475A CN105880475A (en) | 2016-08-24 |
| CN105880475B true CN105880475B (en) | 2017-11-10 |
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|---|---|---|---|
| CN201610465006.5A Active CN105880475B (en) | 2016-06-21 | 2016-06-21 | Engine cylinder cover casting mould |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097642C (en) * | 1999-07-30 | 2003-01-01 | 日立金属株式会社 | Tool steel with good weldability, machinability and thermal treatment property, and metallic mould made of same |
| CN2923109Y (en) * | 2006-07-13 | 2007-07-18 | 广西玉柴机器股份有限公司 | Casting mould of diesel engine cylinder lid |
| CN102145378B (en) * | 2011-03-18 | 2013-07-03 | 陈硕 | Pouring and feeding system of cylinder cover |
| CN103182480B (en) * | 2011-12-31 | 2015-07-08 | 上海爱仕达汽车零部件有限公司 | Gravity casting process for engine cylinder cover |
| CN202951837U (en) * | 2012-11-19 | 2013-05-29 | 合肥江淮铸造有限责任公司 | Sand mold casting gating system of engine cylinder block cast |
| CN103878324B (en) * | 2012-12-19 | 2016-01-27 | 上海爱仕达汽车零部件有限公司 | A kind of cylinder cap casting die and casting method |
| KR101365021B1 (en) * | 2013-07-25 | 2014-03-10 | 주식회사 세연에스씨에스 | A mold for gravity pressure casting |
| JP6645725B2 (en) * | 2014-04-30 | 2020-02-14 | 大同特殊鋼株式会社 | Mold steel and mold |
| CN204209069U (en) * | 2014-11-14 | 2015-03-18 | 张家港市天元科技有限公司 | A kind of engine cylinder cover casting mould |
| CN105478677A (en) * | 2015-12-01 | 2016-04-13 | 济南方德利模具有限公司 | Casting technology of engine cylinder cover and core assembling structure |
-
2016
- 2016-06-21 CN CN201610465006.5A patent/CN105880475B/en active Active
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| CN105880475A (en) | 2016-08-24 |
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